208813904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1003913}}^1$

素因数の和:1003934

約数の個数: 20

約数和(自身を含む): 435698676

約数和(自身を除く): 226884772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1003913, 2007826, 4015652, 8031304, 13050869, 16062608, 26101738, 52203476, 104406952, 208813904]

約数ペア:

[(1, 208813904), (2, 104406952), (4, 52203476), (8, 26101738), (13, 16062608), (16, 13050869), (26, 8031304), (52, 4015652), (104, 2007826), (208, 1003913)]